When a mysterious letter seems on the day they’re being evicted, Elizabeth and her father can’t consider their luck to find they’ve inherited Echoville Manor, a sprawling, thirty-seven-room property. Upon arriving, Elizabeth finds that the mansion is inhabited by the world’s cutest spirit, Ghoster, who has been trapped inside a mirrored jail there for 50 years. Collectively, they have to uncover the secrets and techniques to Echoville to free Ghoster earlier than the nefarious Yuto captures her soul as effectively in his quest for immortality.